Red Hat Security Advisory: kernel security, bug fix, and enhancement update
🔗 CVE IDs covered (8)
📋 Description
CVE-2026-31419 — kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service CVE-2026-31488 — kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation CVE-2026-43056 — kernel: net: mana: fix use-after-free in add_adev() error path CVE-2026-43279 — kernel: ALSA: usb-audio: Add sanity check for OOB writes at silencing CVE-2026-46090 — kernel: ALSA: aloop: Fix peer runtime UAF during format-change stop CVE-2026-46135 — kernel: nvmet-tcp: fix race between ICReq handling and queue teardown CVE-2026-46145 — kernel: RDMA/mana: Validate rx_hash_key_len CVE-2026-46331 — kernel: net/sched: act_pedit: extend the writable skb range per key
🎯 Affected products122
- Red Hat Enterprise Linux BaseOS (v. 8)
- Red Hat Enterprise Linux CRB (v. 8)
- bpftool-0:4.18.0-553.136.1.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- bpftool-0:4.18.0-553.136.1.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- bpftool-0:4.18.0-553.136.1.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- bpftool-0:4.18.0-553.136.1.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- bpftool-debuginfo-0:4.18.0-553.136.1.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- bpftool-debuginfo-0:4.18.0-553.136.1.el8_10.aarch64 as a component of Red Hat Enterprise Linux CRB (v. 8)
- bpftool-debuginfo-0:4.18.0-553.136.1.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- bpftool-debuginfo-0:4.18.0-553.136.1.el8_10.ppc64le as a component of Red Hat Enterprise Linux CRB (v. 8)
- bpftool-debuginfo-0:4.18.0-553.136.1.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- bpftool-debuginfo-0:4.18.0-553.136.1.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- bpftool-debuginfo-0:4.18.0-553.136.1.el8_10.x86_64 as a component of Red Hat Enterprise Linux CRB (v. 8)
- kernel-0:4.18.0-553.136.1.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-0:4.18.0-553.136.1.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-0:4.18.0-553.136.1.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-0:4.18.0-553.136.1.el8_10.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-0:4.18.0-553.136.1.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-abi-stablelists-0:4.18.0-553.136.1.el8_10.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-core-0:4.18.0-553.136.1.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-core-0:4.18.0-553.136.1.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-core-0:4.18.0-553.136.1.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-core-0:4.18.0-553.136.1.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-debug-0:4.18.0-553.136.1.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-debug-0:4.18.0-553.136.1.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-debug-0:4.18.0-553.136.1.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-debug-0:4.18.0-553.136.1.el8_10.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-debug-core-0:4.18.0-553.136.1.el8_10.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-debug-core-0:4.18.0-553.136.1.el8_10.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- kernel-debug-core-0:4.18.0-553.136.1.el8_10.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
- +92 more not shown
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: See the security bulletin for a detailed mitigation procedure.
🔗 References (11)
- selfhttps://access.redhat.com/errata/RHSA-2026:27353
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2457829
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2460619
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2464449
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2467215
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2479492
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2481980
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2482581
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2482654
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_27353.json